Finding the Fourth Proportional to 811,595.20, 1,119,799.92 and 524,770.08
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Solution
The fourth proportional to 811,595.20, 1,119,799.92 and 524,770.08 is: 724,052.45
Step by Step Solution
- Step 1: Write the proportion equation
811,595.20 : 1,119,799.92 = 524,770.08 : x - Step 2: Convert to fraction form
811,595.20/1,119,799.92 = 524,770.08/x - Step 3: Cross multiply
811,595.20x = 1,119,799.92 × 524,770.08 - Step 4: Simplify right side
811,595.20x = 587,637,493,602.39 - Step 5: Solve for x
x = 587,637,493,602.39/811,595.20 - Step 6: Final answer
x = 724,052.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.